Husayn ibn Ali was the son of Ali, Muhammad's cousin, and his wife Fatimah, the daughter of Muhammad and his first wife Khadijah bint Khuwaylid. Husayn ibn Ali and his brother Hasan ibn Ali were regarded by Prophet Muhammed as his own sons due to his love for them and as they were the sons of his daughter Fatima and he regarded her children and descendants as his own children and descendants, and he said "Every mothers children are associated with their father except for the children of Fatima for I am their father and lineage" Thus only the descendants of Fatima are the descendants and progeny of the Prophet and his Ahlul Bayt. Husayn ibn Ali was married to four women, Rubab bint Imra al-Qais with whom he fathered Ali al-Asghar ibn Husayn and Sukayna bint Husayn, Layla bint Abi Murrah al-Thaqafi mother of Ali al-Akbar ibn Husayn, Umm Ishaq bint Talhah, the widow of Hasan ibn Ali, mother of Fatimah bint Husayn. From his wife Shahrbanu he fathered Ali ibn Husayn who's descendants were the Shia Imamah. Other children include Sakinah bint Husayn and Fatema Sugra bint Husayn.
Imam Sadiq S.A. is son of Imam Baqir S.A. Imam Baqir S.A. is son of Imam Sajjad S.A Imam Sajjad S.A is son of Imam Hussain S.A. Imam Hussain S.A. and Imam Hasan S.A. are children of Imam Ali S.A.
Of course Imam Hussain (a.s.) is real.
two
Imam Hussain S.A. Imam Sajjad S.A. Abbas S.A. Zainab S.A.
about 150people
Imam Hussain bin Ali , When He died He was 57 years
her of imam hussain(as) is Imam ALI IBN ABI TALIB (AS)
25
Imam Hasan S.A. and Imam Hussain S.A.
his son Imam Sajjad S.A.
Fatima Sughra Bint Hussain is Imam Hussain (A.S) Daughter
zeinab, Jabir ansari and Imam Sajjad S.A. and Imam Baqir S.A. and maybe some others.